NHTSA vehicle safety data
2023 IC Bus Cesb Recalls & Complaints
The 2023 IC Bus Cesb has 17 NHTSA recall campaigns and 2 owner complaints on file as of November 3, 2026. Recall repairs are usually free at an authorized IC Bus dealer.
NHTSA recall and complaint data for the 2023 IC Bus Cesb. Recall data is refreshed daily from NHTSA.
2023 IC Bus Cesb owner complaints
Owners have filed 2 complaints with NHTSA about the 2023 IC Bus Cesb, describing incidents dated May 5, 2025 to July 7, 2026.
Most-cited components
- Engine 1 complaint
- Structure 1 complaint
Newest complaints
ODI #11761570 · Filed
Exhaust system failure,terible exhaust leaks AT EXHAUST MANIFOLDS. Pipes wrapped in insulation and metal causing high temps which are distoring pipe shapes and colapsing systems. Also a fire hazard if any fluids leak on them. These units are 2021's thru 2023's We have been in touch with…
ODI #11662097 · Filed
The roof leaks in several areas. The water gets on the floor and seats increasing the chance that children will slip and fall on the wet floors and seats. This has been to the dealer more than once but the roofs still leak. We have more than one bus of the same age that leak
Body Panel Joint Incorrectly Attached/FMVSS 221
NHTSA #26V168000 · Structure — Body · NHTSA notice
Reported March 19, 2026 · International Motors, LLC
Potentially affected: 2,874 vehicles
Repair completion: 65.38% (latest rate the manufacturer reported to NHTSA; dataset updated November 3, 2026)
Manufacturer campaign 26504 · Owners notified May 4, 2026 · Vehicles built January 10, 2023 – January 11, 2023 (per NHTSA)
Defect description
International Motors, LLC (International) is recalling certain 2023-2027 IC Bus CESB and 2025-2027 IC Bus EVSB school buses. The body panel joint may have been attached without sufficient epoxy coverage. As such these vehicle fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) No. 221, "School Bus Body Joint Strength."
Safety consequence
The body panels may separate during a crash, reducing structural integrity and increasing the risk of injury.
Manufacturer remedy
Dealers will inspect and repair the interior vertical joint as necessary, free of charge. Owner notification letters were mailed May 4, 2026. Owners may contact International's customer service at 1-800-448-7825. International's number for this recall is 26504. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning May 11, 2026.
Brake Lines May Become Damaged and Leak
NHTSA #26V111000 · Service Brakes, Hydraulic — Foundation Components — Hoses, Lines/Piping, and Fittings · NHTSA notice
Reported February 26, 2026 · International Motors, LLC
Potentially affected: 4,393 vehicles
Repair completion: 62.24% (latest rate the manufacturer reported to NHTSA; dataset updated November 3, 2026)
Manufacturer campaign 26502 · Owners notified April 27, 2026 · Vehicles built December 15, 2022 – December 20, 2022 (per NHTSA)
Defect description
International Motors, LLC (International) is recalling certain 2023-2027 IC Bus CESB school buses. The brake lines may have been installed with incorrect hardware, which can result in brake line damage and cause a leak.
Safety consequence
A brake fluid leak can extend the distance required to stop, increasing the risk of a crash.
Manufacturer remedy
Dealers will inspect and replace the brake lines and brake line retainers as necessary, free of charge. Owner notification letters were mailed April 27, 2026. Owners may contact International's customer service at 1-800-448-7825. International's number for this recall is 26502. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning April 20, 2026.
Incorrect GVWR May Lead to Unintentionally Overloading School Bus
NHTSA #25V783000 · Equipment — Other — Labels · NHTSA notice
Reported November 13, 2025 · International Motors, LLC
Potentially affected: 142 vehicles
Repair completion: 46.48% (latest rate the manufacturer reported to NHTSA; dataset updated November 3, 2026)
Manufacturer campaign 25523 · Owners notified May 27, 2026 · Vehicles built starting January 12, 2023 (per NHTSA)
Defect description
International Motors, LLC (International) is recalling certain 2023-2027 IC Bus CESB school buses. While carrying the maximum number of occupants, the bus may exceed Gross Vehicle Weight Rating (GVWR) when the fuel tank and fluid reservoirs are full.
Safety consequence
An incorrect GVWR may lead to unintentionally overloading the bus, increasing the risk of a crash.
Manufacturer remedy
Dealers will inspect and repair suspension as necessary, free of charge. Owner notification letters are expected to be mailed May 27, 2026. Owners may contact International customer service at 1-800-448-7825. International's number for this recall is 25523.
Missing Underfloor Reinforcement/FMVSS 210, 222
NHTSA #25V580000 · Structure — Body · NHTSA notice
Reported September 4, 2025 · International Motors, LLC
Potentially affected: 457 vehicles
Repair completion: 31.07% (latest rate the manufacturer reported to NHTSA; dataset updated November 3, 2026)
Manufacturer campaign 25514 · Owners notified December 8, 2025
Defect description
International Motors, LLC (International) is recalling certain 2016-2026 IC Bus CESB and 2016-2021 RESB school buses. The underfloor reinforcement may not have been installed, compromising the structural integrity of the buses. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) numbers 210, "Seat Belt Assembly Anchorages" and 222, "School Bus Passenger Seating and Crash Protection."
Safety consequence
Reduced structural integrity may increase the risk of injury in a crash.
Manufacturer remedy
Dealers will inspect and install a reinforcement channel as necessary, free of charge. Owner notification letters were mailed December 8, 2025. Owners may contact International customer service at 1-800-448-7825. International's number for this recall is 25514.
Brake Pressure Switch May Short and Cause Fire
NHTSA #25V503000 · Service Brakes, Hydraulic — Fluid · NHTSA notice
Reported August 6, 2025 · International Motors, LLC
Potentially affected: 16,553 vehicles
Repair completion: 71.97% (latest rate the manufacturer reported to NHTSA; dataset updated November 3, 2026)
Manufacturer campaign 25510 · Owners notified December 15, 2025
Defect description
International Motors, LLC (International) is recalling certain 2016-2024 IC Bus CESB school buses. The brake pressure switch assembly may leak brake fluid into the brake pressure switch's electrical components and cause an electrical short-circuit.
Safety consequence
An electrical short in the brake pressure switch can overheat the circuit and increase the risk of a fire while driving or parked.
Manufacturer remedy
Owners are advised to park outside and away from structures until the recall repair is complete. Dealers will install a silicone black jumper harness, free of charge. Owner notification letters were mailed December 15, 2025. Owners may contact International customer service at 1-800-448-7825. International's number for this recall is 25510. Vehicles previously repaired under 23V398 will need to have the new remedy completed.
Brake Pressure Switch May Short and Cause Fire
NHTSA #23V398000 · Service Brakes, Hydraulic — Fluid · NHTSA notice
Reported June 2, 2023 · Navistar, Inc.
Potentially affected: 15,398 vehicles
Repair completion: 88.27% (latest rate the manufacturer reported to NHTSA; dataset updated November 3, 2026)
Manufacturer campaign 23518 · Owners notified September 29, 2023
Defect description
Navistar, Inc. (Navistar) is recalling certain 2016 and 2018-2024 IC Bus CE school buses. The brake pressure switch assembly may leak brake fluid into the brake pressure switch's electrical components and cause an electrical short-circuit.
Safety consequence
An electrical short in the brake pressure switch can overheat the circuit and increase the risk of a fire while driving or parked.
Manufacturer remedy
Owners are advised to park outside and away from structures until the recall repair is complete. Dealers will replace the brake pressure switch assembly and if necessary, the wire harness or fuse, free of charge. Owner notification letters were mailed September 29, 2023. Owners may contact Navistar's customer service at 1-800-448-7825. Navistar's number for this recall is 23518.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.
ABS Light May Not Stay Illuminated/FMVSS 121
NHTSA #23V371000 · Service Brakes, Air — Antilock — ABS Warning Light · NHTSA notice
Reported May 25, 2023 · Navistar, Inc.
Potentially affected: 19,376 vehicles
Repair completion: 86.42% (latest rate the manufacturer reported to NHTSA; dataset updated November 3, 2026)
Manufacturer campaign 23516 · Owners notified July 18, 2023
Defect description
Navistar, Inc. (Navistar) is recalling certain 2021-2024 IC Bus RE, 2022-2024 IC Bus CE, and IC Bus EV school buses. The anti-lock brake system (ABS) indicator light does not remain illuminated when a malfunction exists, and when the vehicle's ignition switch is on, and the vehicle is in motion. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 121, "Air Brake Systems."
Safety consequence
An ABS indicator light that fails to remain illuminated will not alert the driver of an ABS malfunction, which could increase the risk of a crash.
Manufacturer remedy
Dealers will update the software, free of charge. Owner notification letters are expected to be mailed July 24, 2023. Owners may contact Navistar's customer service at 1-800-448-7825. Navistar's number for this recall is 23516.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.
Insufficient Roof Panel Joint Strength/FMVSS 221
NHTSA #23V065000 · Structure — Body — Roof and Pillars · NHTSA notice
Reported February 10, 2023 · Navistar, Inc.
Potentially affected: 12,507 vehicles
Repair completion: 82.78% (latest rate the manufacturer reported to NHTSA; dataset updated November 3, 2026)
Manufacturer campaign 23501 · Owners notified April 3, 2023
Defect description
Navistar, Inc. (Navistar) is recalling certain 2022-2024 IC Bus CE, 2022-2023 IC CE SBus, IC RE, and 2023 EV school buses. The roof panel may have been manufactured with insufficient joint strength. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 221, "School Bus Body Joint Strength."
Safety consequence
A school bus roof panel with insufficient joint strength may separate during a crash, increasing the risk of injury.
Manufacturer remedy
Dealers will add additional fasteners to secure the joints, free of charge. Owner notification letters are expected to be mailed April 3, 2023. Owners may contact Navistar's customer service at 1-800-448-7825. Navistar's number for this recall is 23501.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.
Loose Fasteners May Cause Rear Axle Instability
NHTSA #22V909000 · Suspension — Multiple Axle — Torque Arm · NHTSA notice
Reported December 8, 2022 · Navistar, Inc.
Potentially affected: 6,948 vehicles
Repair completion: 92.63% (latest rate the manufacturer reported to NHTSA; dataset updated November 3, 2026)
Manufacturer campaign 22527 · Owners notified February 6, 2023
Defect description
Navistar, Inc. (Navistar) is recalling certain 2023 IC RE, IC EV, and 2023-2024 IC CE school buses. The fasteners that connect the transverse torque arm to the rear axle housing may have been tightened incorrectly, which can allow the rear axle to shift side to side.
Safety consequence
A rear axle that moves side to side can cause a loss of handling and control, increasing the risk of a crash. In addition, a loose rear axle may cause vehicle instability during an evacuation in an emergency, increasing the risk of injury.
Manufacturer remedy
Dealers will replace and tighten the fasteners, free of charge. Owner notification letters are expected to be mailed February 6, 2023. Owners may contact Navistar's customer service at 1-800-448-7825. Navistar's number for this recall is 22527.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.
Fuel Vapor Line Without Heat Shielding Installed
NHTSA #22V872000 · Fuel System, Gasoline — Delivery — Hoses, Lines/Piping, and Fittings · NHTSA notice
Reported November 23, 2022 · Navistar, Inc.
Potentially affected: 196 vehicles
Repair completion: 65.82% (latest rate the manufacturer reported to NHTSA; dataset updated November 3, 2026)
Manufacturer campaign 22526 · Owners notified January 20, 2023
Defect description
Navistar, Inc. (Navistar) is recalling certain 2023 IC CE vehicles. The fuel vapor line without the heat shield tubing may have been installed, exposing the line to heat from the exhaust system.
Safety consequence
Heat exposure may cause the line to leak, increasing the risk of a fire.
Manufacturer remedy
Dealers will replace the fuel vapor line with heat shield tubing, free of charge. Owner notification letters are expected to be mailed January 20, 2023. Owners may contact Navistar's customer service at 1-800-448-7825. Navistar's number for this recall is 22526.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.
Hex Flange Lock Nut May Break
NHTSA #22V870000 · Suspension — Critical Fasteners · NHTSA notice
Reported November 23, 2022 · Navistar, Inc.
Potentially affected: 5,645 vehicles
Repair completion: 91.3% (latest rate the manufacturer reported to NHTSA; dataset updated November 3, 2026)
Manufacturer campaign 22525 · Owners notified January 20, 2023
Defect description
Navistar, Inc. (Navistar) is recalling certain 2023 IC CE, EV, and RE vehicles. The hex flange lock nuts, used in the suspension and steering joints, were improperly heat treated and may lose tension over time.
Safety consequence
A loss of tension in the steering and suspension joints may lead to steering instability and increase the risk of a crash.
Manufacturer remedy
Dealers will replace the hex flange lock nuts as necessary, free of charge. Owner notification letters are expected to be mailed January 20, 2023. Owners may contact Navistar's customer service at 1-800-448-7825. Navistar's number for this recall is 22525.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.
Hex Flange Lock Nut May Break
NHTSA #22V869000 · Suspension — Critical Fasteners · NHTSA notice
Reported November 23, 2022 · Navistar, Inc.
Potentially affected: 25,822 vehicles
Repair completion: 86.1% (latest rate the manufacturer reported to NHTSA; dataset updated November 3, 2026)
Manufacturer campaign 22524 · Owners notified January 20, 2023
Defect description
Navistar, Inc. (Navistar) is recalling certain 2021-2022 International CV, 2022-2023 International HV, 2023 IC 1300 FBC, CE, RE, TC, International MV, HX, LT, RH, and LoneStar vehicles. The hex flange lock nuts, used in the suspension and steering joints, were improperly heat treated and may lose tension over time.
Safety consequence
A loss of tension in the steering and suspension joints may lead to steering instability and increase the risk of a crash.
Manufacturer remedy
Dealers will replace the hex flange lock nuts as necessary, free of charge. Owner notification letters are expected to be mailed January 20, 2023. Owners may contact Navistar's customer service at 1-800-448-7825. Navistar's number for this recall is 22524.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.
Electrical Short Circuit May Cause Engine Stall
NHTSA #22V610000 · Engine and Engine Cooling — Engine — Engine Control Module (ECU/ECM) · NHTSA notice
Reported August 10, 2022 · Navistar, Inc.
Potentially affected: 33 vehicles
Owners notified September 26, 2022
Defect description
Navistar, Inc. (Navistar) is recalling certain 2023 IC CE School Buses. The engine control module (ECM) may experience an internal electrical short-circuit, causing the engine to stall.
Safety consequence
An unexpected engine stall can increase the risk of a crash.
Manufacturer remedy
Cummins will replace the ECM. Owner notification letters were mailed September 26, 2022. Owners may contact Navistar's customer service at 1-800-448-7825.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.
Steering Gear Assembled Incorrectly
NHTSA #22V429000 · Steering · NHTSA notice
Reported June 16, 2022 · Navistar, Inc.
Potentially affected: 3,570 vehicles
Repair completion: 90.87% (latest rate the manufacturer reported to NHTSA; dataset updated November 3, 2026)
Manufacturer campaign 22514 · Owners notified November 10, 2022
Defect description
Navistar, Inc. (Navistar) is recalling certain 2022-2023 IC CE School Buses. The steering gears may have been assembled incorrectly, which can cause the gear to fracture.
Safety consequence
A fractured steering gear can cause a loss of steering control, increasing the risk of a crash.
Manufacturer remedy
Dealers will inspect the steering gear serial numbers, and replace the steering gears as necessary, free of charge. Interim owner notification letters were mailed August 15, 2022. Remedy parts are expected to become available in mid-October 2022. Owners may contact Navistar customer service at 1-800-448-7825. Navistar's number for this recall is 22514.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.
Steering Wheel May Detach
NHTSA #22V367000 · Steering — Steering Wheel/Handle Bar · NHTSA notice
Reported May 23, 2022 · Navistar, Inc.
Potentially affected: 4,970 vehicles
Repair completion: 99.88% (latest rate the manufacturer reported to NHTSA; dataset updated November 3, 2026)
Manufacturer campaign 22511 · Owners notified May 25, 2022
Defect description
Navistar, Inc. is recalling certain 2022-2023 IC CE, IC RE, and 2023 IC EV school buses. The steering wheel retaining nut may have been tightened incorrectly, which can allow the steering wheel to loosen and detach from the steering column shaft.
Safety consequence
A loose or detached steering wheel increases the risk of a crash.
Manufacturer remedy
Owners are advised not to drive their vehicles until the repair has been performed. Dealers will remove the steering wheel nut, apply thread locker, and reinstall the nut, free of charge. Owner notification letters were mailed on May 25, 2022. Owners may contact Navistar, Inc. customer service at (331) 332-1590. Navistar's number for this recall is 22511.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.
Missing Inoperative Collision Mitigation Warning
NHTSA #22V283000 · Equipment — Other — Labels · NHTSA notice
Reported April 27, 2022 · Navistar, Inc.
Potentially affected: 337 vehicles
Repair completion: 100% (latest rate the manufacturer reported to NHTSA; dataset updated November 3, 2026)
Manufacturer campaign 22509 · Owners notified June 14, 2022
Defect description
Navistar, Inc. (Navistar) is recalling certain 2022-2023 IC RE School Buses, and 2023 IC CE school buses built without a forward radar unit. The warning label notifying the driver that the collision mitigation system is inoperative may be missing.
Safety consequence
Failure to warn the driver that the collision mitigation system is inoperative increases the risk of a crash.
Manufacturer remedy
Navistar will provide a warning label and installation instructions, free of charge. Owner notification letters were mailed June 14, 2022. Owners may contact Navistar customer service 1-800-4487825. Navistar's number for this recall is 22509.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.
Unexpected Engine Shut Down
NHTSA #21V837000 · Engine and Engine Cooling — Engine — Engine Control Module (ECU/ECM) · NHTSA notice
Reported October 25, 2021 · Navistar, Inc.
Potentially affected: 7,322 vehicles
Repair completion: 96.82% (latest rate the manufacturer reported to NHTSA; dataset updated November 3, 2026)
Manufacturer campaign 21507 · Owners notified January 18, 2022
Defect description
Navistar, Inc. (Navistar) is recalling certain 2020-2023 IC CE school buses. The engine control module (ECM) may set a fault code that results in an unexpected engine shut down.
Safety consequence
Unexpected engine shut down can increase the risk of a crash. Additionally, a disabled school bus may require an evacuation procedure in an uncontrolled traffic situation, increasing the risk of injury to passengers.
Manufacturer remedy
Dealers will reprogram the ECM, free of charge. Owner notification letters notifying owners of the safety risk were mailed January 18, 2022. Owners may contact Navistar customer service at 1-800-448-7825. Navistar's number for this recall is 21507.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.
Other IC Bus Cesb model years
Check your 2023 IC Bus Cesb VIN
Not every recall applies to every VIN in a given year. Enter the 17-character VIN from your IC Bus Cesb at nhtsa.gov/recalls to see whether your specific vehicle has an unrepaired recall.
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